Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

a ATC Associates V ; 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212) 353-8306

Received: 9/26/02 8:00:00 AM • Attn: Benjamin Sallemi ATC Group #: 8896 ATC Associates Inc. Analysis Date: 9/26/02 104 East 25th Street New York NY 10010

Phone: (212) 353-8280 Fax: (212) 353-3599 22906-0002 Project: DEP Clean-up Project #: 125 Cedar Street. New York, NY

Microscopy (TEM) Performed Asbestos Fiber Analysis by Transmission Electron by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos # Structures Sensitivity Concentration Area Non Asbestos O.Sp-5 5p (S/cc) (S/marl (S/cc) Notes Volume Analyzed Asb Type(s) Sample

0 0 0.0048 <2224 <0.0048 1 - 1800.00 0.0450 0 None Detected 8896 -/

0 0 0.0048 <22.24 <0.0048 2 1800.00 0.0450 0 None Detected 8896 -, .

0 0 0.0048 <22.24 <0.0048 3 1800.00 0.0450 0 None Detected 3896 -3 —.~._. 4 0 0 0.0048 <22.24 <0.0048 1300.00 0.0450 0 None Detected Sd96 -4

0 0.0047 22.24 0.0047 0.0450 0 CHRYSOTILE I 5 1804.00 8896 -i

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV __ __— _ . _- . . , /Proved by Analyzed by: proveeddd

by non-laboratory personnel. Th b is only responsible reported in struclureslcc, which is dependent on volume collected Disclaimer The laboratory is not responsible for data except in full, without written approval by ATC Associates Inc. This report may not be used to claim not be reproduced, for data reported in stnictures/mm'. This report may relates only to the samples reported above. Quality control data (including 95% other agency of the U.S. Government. This reports ioduc: enaorsement by NVLAP or any and precision) is available upon request. confidence limits and laboratory and analysis' accuracy ELAP x10879 Accredited for NVLAP PLM(TEM X101187.0. NY State

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NYC-WTC 000129903